An Elkay Lustertone Classic stainless steel sink looks as great on day 3,000 as it does on day one. The rich, uniform grain is scratch resistant for heavy-duty use, whether it''s a kitchen sink or a prep, bar, laundry or commercial sink. Light scratches, which occur with everyday use, naturally blend into the finish of this durable sink with time. Deeper scratches are repairable with an Elkay stainless steel restoration kit. Available in ADA depths. REPAIRABLE FINISH: Finish is scratch resistant to heavy-duty use. Deep scratches are repairable. Lustrous grain reflects light evenly for high shine. DROP-IN INSTALLATION: Sink is designed for drop-in installation to make the sink a focal point of your room. 18-GAUGE STAINLESS STEEL: Highest quality 18-gauge thickness and Type 304 stainless steel for lasting durability, performance and lustrous beauty. QUIET: Sound-deadening pad(s) minimizes sound and vibration for a quieter time at the sink. U-CHANNEL INSTALLATION: Mounting clips placed inside the channel before installation mean less time under the sink for an easier install. MADE IN THE USA: This Elkay product is proudly made in the USA. DRAIN OPENING: Sink drain opening measures 3-1/2". CABINET SIZE: Minimum cabinet size for this sink is 18".